Year 2015 = 100 1980 41.0719029766 1981 32.9587656469 1982 30.3970189174 1983 26.5200798694 1984 28.7001828587 1985 33.3560877355 1986 33.6750053876 1987 31.81218021 1988 28.3773760673 2000 51.2503002492 2001 55.2203594015 2002 66.6470893424 2003 84.2557768189 2004 99.0930996457 2005 102.350738573 2006 93.7277075576 2007 101.5772656079 2008 112.421631622 2009 99.0013853884 2010 116.2424650188 2011 115.0020066978 2012 122.1324973592 2013 122.5328843336 2014 113.722400835 2015 100 2016 83.0427279273 2017 112.1040806616 2018 120.5125426087 2019 110.9015955844 2020 91.9254568729 2021 60.7617294406